CN105933766B - WebOS system and set-top box based on set-top box - Google Patents
WebOS system and set-top box based on set-top box Download PDFInfo
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- CN105933766B CN105933766B CN201610039993.2A CN201610039993A CN105933766B CN 105933766 B CN105933766 B CN 105933766B CN 201610039993 A CN201610039993 A CN 201610039993A CN 105933766 B CN105933766 B CN 105933766B
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/254—Management at additional data server, e.g. shopping server, rights management server
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/458—Scheduling content for creating a personalised stream, e.g. by combining a locally stored advertisement with an incoming stream; Updating operations, e.g. for OS modules ; time-related management operations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/8166—Monomedia components thereof involving executable data, e.g. software
Abstract
The present invention is suitable for field of communication technology, provide a kind of WebOS system based on set-top box, the WebOS system based on set-top box includes: hardware platform, linux system kernel and system kernel application interface from bottom to top, the system kernel application interface supports the calling of linux and the second operating system, and the function of the local underlying resource management by the local module completion operating system on the system kernel application interface；Hardware abstraction layer, for being compatible with Android device and supporting the installation of WebOS and Android dual system；When Web is run, for passing through Webkit kernel and parsing of the v8 engine implementation to HTML, CSS, JS, and the correlation function of the hardware platform and the local module is called；Web frame based on the WebOS system function described in Web standard implementation based on set-top box and provides applied business；And there are also the set-top boxes for including the above-mentioned WebOS system based on set-top box.Whereby, the professional platform independence energy of WebOS system can be improved in the present invention, and simplified system improves user experience.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of WebOS systems and set-top box based on set-top box.
Background technique
Mainstream set-top box currently on the market mainly uses android system to realize.Why so popular Android is,
Mainly due to the open source of Android itself, it is free, efficiently, APP (Application, using) enriches, facilitates the spies such as transplanting
Sign.But these features are also due to, lead to the shortcomings that Android is on the set-top box, there is itself: (1) fragmentation: any
Set-top box producer take primary Android source code and can all change code, although resulting in all as Android code, exist
Very big difference, SDK (Software Development Kit, i.e. Software Development Kit) cannot unify well；(2) potential
Charge may: be not excluded for Google in future charge a possibility that；(3) too fat to move: Android primarily directed to cell phone apparatus,
With the hardware requirement that can be improved on the set-top box to set-top box；(4) safety is low: such as brush machine, APP installs difficult to govern control, can not control
Ordinary user processed obtains root (power user) permission etc.；(5) APP professional platform independence is low: being not used in other operating systems, such as
Windows, iOS, MAC, in the systems such as class Linux.Set-top box is related to a kind of based on ARM (Acorn RISC MAChine, insertion
A kind of architectural framework of formula chip) framework embedded system, it is used for television services, including but not limited to OTT (Over The
Top, internet television business), IPTV (Interactive Personality TV, Interactive Internet TV), DVB
(Digital Video Broadcasting, DTV) etc..
In summary, the prior art there will naturally be inconvenient and defect, so it is necessary to be improved in actual use.
Summary of the invention
For above-mentioned defect, the purpose of the present invention is to provide a kind of WebOS system and set-top box based on set-top box,
Consider for television services and mainly to refer to set-top box, the professional platform independence energy of WebOS system can be improved, and simplified system improves
User experience, the underlying mechanisms of more effective safety promote WebOS ecology quickly perfect.
To achieve the goals above, the present invention provides a kind of WebOS system based on set-top box, described based on set-top box
WebOS system includes: from bottom to top
Hardware platform, linux system kernel and system kernel application interface, the system kernel application interface are supported
The calling of linux and the second operating system, and operation system is completed by the local module on the system kernel application interface
The function of the local underlying resource management of system；
Hardware abstraction layer, for being compatible with Android device and supporting the installation of WebOS and Android dual system；
When Web is run, for passing through Webkit kernel and parsing of the v8 engine implementation to HTML, CSS, JS, and institute is called
State the correlation function of hardware platform and the local module；
Web frame based on the WebOS system function described in Web standard implementation based on set-top box and provides applied business；
The security mechanism of the WebOS system based on set-top box includes only opening the Web frame module externally to provide
Applied business interface and open bottom hardware adaptable interface, the WebOS system based on set-top box by installation APP and
Webapp realizes service, the APP and the Webapp by form web page realization, including local page or Webpage with
Reach cross-platform purpose.
WebOS system according to the present invention based on set-top box, when the Web is run further include:
Manager when operation, internal resource, module and the management of service for the WebOS system based on set-top box
And control；
WebBOM submodule interacts function with browser window for realizing independently of content；The WebBOM
Submodule realizes browser model and manager use when being packaged into interface for the operation, including window, position, screen,
History, document and navigation；
Webkit transplant submodule, for encapsulating Webcore, web interface is used for the WebBOM submodule and
The platform feature of WebOS is adapted to；
The Webcore, for being built in the Webkit transplanting submodule, and using the v8 engine as Web wash with watercolours
Engine is contaminated, the Webcore and the v8 engine include the blink kernel and blink/v8 engine of Google's specification.
WebOS system according to the present invention based on set-top box provides when the Web is run to the Web frame
The service of support further include:
Function initialization when the Web starts when running；
Webpage load parsing management, executes load webpage by the WebBOM submodule；
Service starting executes the Web frame by Webkit kernel parsing for specifically starting a thread
HTML/JS code completes the starting and management of the service to the Web frame by systemserver.js；
Management of process and process communication, the process for managing web-based Webapp belong to the communication between webpage；
It is communicated between multiple task management and multitask, starts different processes when passing through browser execution and handle each and answer
With, construct new WebBOM Shipping Options Page load webpage and manage multiple tasks between communication；
Security control realizes that the code of the Web frame will be encrypted all using encryption mechanism by HTML/JS/CSS,
The decryption of the code is realized with NPAPI mechanism simultaneously；
The installation of plug-in unit installation and access control, plug-in unit and extension realizes that the plug-in unit installation is logical also by encryption mechanism
The NPAPI mechanism is crossed to realize；
Resources accessing control accesses control to system resource by the mechanism of Manifestval.XML；
Using installation and access management, is realized by white and black list mechanism to network address access control, realized to institute
State the installation control of Webapp；
Cache management, the caching include page cache, memory cache and disk buffering；
Storage management, the storage management include supporting being locally stored for HTML5.
WebOS system according to the present invention based on set-top box, the Web frame include:
Server service manager realizes when based on browser execution, when for starting Web operation and management system
Module and related service；The Webkit is called to transplant submodule by the WebBOM submodule when Web is run
Block resolution system server initiation instructs to start the system server and related service, the server service manager
The business of compatible Android system is used and is realized to Android system shared resource；
TV frame, for realizing television services encryption and decryption and realize value-added service；
System framework, for realizing interactive interface, system function and installation plug-in unit；Measured w3c standard interface, it is complete
At system function, the code of the system framework needs to encrypt, and realizes secret by NPAPI mechanism；
The Web frame is to realize television services decryption and interaction by the plug-in unit based on the construction of HTML5 and JS standard
Input；The measured w3c standard interface of system framework is constructed and is encrypted, and decryption is realized by NPAPI mechanism；
WebOS SDK interface, for providing the Software Development Kit interface of specification；
Card i/f, for running and installing standard plug-in unit application；
HTML/CSS/JS standard interface, the portion JS ext for supporting for cross-platform and being realized by JS binding
Point；
The applied business interface includes the card i/f and the Web standard plug-in unit interface.
WebOS system according to the present invention based on set-top box, the server service manager further include:
Webzygote server is parsed by Webkit kernel for starting a thread and executes control command and complete
At the starting and management of service；The mode of the Webzygote server precompile or jit execute systemserver.js
File start service；When starting browser execution by the Webzygote server, webview porting is called, finally
The systemserver.js file, starting service are executed by the v8 engine；
Process communication server, for the process ownership management and communication of WebOS, the different web pages including same process,
Communication between the webpage of even different processes, application process support foreground and running background；
The module information interaction of the server service manager by Android binder, Linux shared drive,
The interprocess communication mode of socket carries out；
Window manager completes load webpage for distributing different tasks in different processes respectively；Multitask pipe
Reason submodule starts different processes when passing through browser execution, constructs new WebBOM to load webpage；
Package Manager for starting by initialization, and receives Package Manager by JS binding mode
Order and by Web installation server parsing execute installation；
In the WebOS system based on set-top box, described program package manager will install server interaction with Web,
Complete corresponding program bag management；Described program package manager calls the Web to install server by JS interface；
DRM server, the content of copyright encryption handling for resource file；
Carrier server is communicated for local client and carrier network；
Resource access function is completed in resource manager, starting resource manager service.
WebOS system according to the present invention based on set-top box, the DRM server further include:
Parsing executes Webapp when the Web is run, and calls the DrmManagerClient module of the local module
And it is communicated using Android binder module and the DrmManagerService in the DRM server process.
WebOS system according to the present invention based on set-top box, the WebOS system based on set-top box are also wrapped
Include a security module based on Linux system, the security module further include:
Security module engine, for preventing user from going beyond one's commission and obtaining root authority；
It is booted up module, boot-loader operating system when for equipment starting；
Trust region, for storing private key.
WebOS system according to the present invention based on set-top box, the server service manager further include:
Media server, surfaceflinger server, network server, starting animation server, debugging server,
Wall manager.
WebOS system according to the present invention based on set-top box, the local module further include:
Library is decoded, for supporting the media file of image, audio to decode and system file decoding；
Network library network protocol stack, for supporting international media playing standard and international communication standards agreement；
Java Virtual Machine is supported to be embedded in JAVA by APPlet in browser for the embedded type virtual machine by increasing income
Program；The Java Virtual Machine is also used to compatible Android system application.
The present invention also provides a kind of set-top boxes, including a kind of according to the WebOS described in any of the above embodiments based on set-top box
System and set-top box ontology are provided with TV signal interface and network signal interface on the set-top box ontology.
The present invention enables webOS to obtain hardware capabilities and bottom clothes well by that will construct webOS based on machine top
Business is existed by the Web API (Application Programming Interface, application programming interface) for constructing new
Webpage roofing control hardware, realizes various applications, if player related hardware is directly exposed to Web application, passes through associated encryption
Technology and black and white lists strobe utility realize installation and access control to ebapp, plug-in unit, embedded system basic-level support
WebOS and Android system and shared the corresponding function module improve cross-platform based on Web standard, strengthen underlying mechanisms and
Security mechanism improves user experience.
Detailed description of the invention
Fig. 1 is the WebOS system structure diagram based on set-top box of one embodiment of the invention；
Structural schematic diagram when Fig. 2 is the Web operation of the WebOS system based on set-top box of one embodiment of the invention；
Fig. 3 is the Web circuit theory schematic diagram of the WebOS system based on set-top box of one embodiment of the invention；
Fig. 4 is the server service manager structural representation of the WebOS system based on set-top box of one embodiment of the invention
Figure；
Fig. 5 is the WebOS system structure diagram based on set-top box of the preferred embodiment of the present invention；
Fig. 6 is the dual system configuration diagram of another embodiment of WebOS system the present invention is based on set-top box；
Fig. 7 be one embodiment of the invention the WebOS system module based on set-top box between interaction schematic diagram；
Fig. 8 is that prior art DRMframework realizes schematic diagram；
Fig. 9 is that the DRMframework of the WebOS system based on set-top box realizes schematic diagram.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 is 100 structural schematic diagram of WebOS system based on set-top box of one embodiment of the invention.For ease of description, should
Only the parts related to the present invention are shown for figure.The WebOS system 100 based on set-top box can be mobile phone, PDA
(Personal Digital Assistant, personal digital assistant), palm PC etc., and the WebOS system based on set-top box
System 100.Wherein, it realizes and constructs WebOS (Web 0peration System, network operating system) framework, including ARM framework is embedding
The dominant frequency of embedded system, memory, flash memory various performance parameters using mainstream embedded product on the market as reference, such as plate electricity
Brain, set-top box, mobile phone etc., however it is not limited to set-top box.
WebOS is the operating system realized based on webpage, and all applications are realized by webpage.Similar
The function of browser application on Windows is integrated into inside operating system.Operating system itself does not realize window system, but
It is realized by web control.Browser function in WebOS system 100 based on set-top box occurs no longer in the form of application, and
It is to occur with system function.All applications all follow 5 standard of HTML, can reach cross-platform purpose, can have at other
HTML 5, which is parsed, runs web APP in the system of function.
To achieve the goals above, the present invention provides a kind of WebOS system 100 based on set-top box, described to be based on machine top
The WebOS system 100 of box includes: from bottom to top
Hardware platform 1, linux system kernel 2 and system kernel application interface 3, the system kernel application interface 3
The calling of linux and the second operating system are held, and behaviour is completed by the local module 20 on the system kernel application interface 3
Make the function of the local underlying resource management of system；
Hardware abstraction layer 30, for being compatible with Android device and supporting the installation of WebOS and Android dual system；
10 when Web is run, for passing through Webkit kernel and parsing of the v8 engine implementation to HTML, CSS, JS, and call
The correlation function of the hardware platform and the local module；
Web frame 60 based on 100 function of WebOS system described in Web standard implementation based on set-top box and is provided using industry
Business；
The security mechanism of the WebOS system based on set-top box includes only opening the Web frame module externally to provide
Applied business interface and open bottom hardware adaptable interface, the WebOS system based on set-top box by installation APP and
Webapp realizes service, the APP and the Webapp by form web page realization, including local page or Webpage with
Reach cross-platform purpose.
The part Webapp mainly includes Desktop (desktop)/launcher UI (User Interface, Yong Hujie
Face), system APP, TV APP etc. will be realized by form web page, local page or Webpage, to reach cross-platform
Purpose specifically includes:
1) entire desktop environment, i.e. Desktop (desktop)/launcher UI (are realized with local page, but are had update
Function)；2) system APP, local offline APP, system music APP, fault cues, user's operation prompt, user setting, system are set
Set, local file system management, it is local play, local picture browsing, file system management etc. are realized with local page, but had
More new function；3) various television services APP, such as program request, be broadcast live, review, time shift pass through remote pages realize；4) increment industry
Be engaged in APP, such as game, portal, video, news, map by remote pages realization；5) APP store frame passes through native page
Face realizes that APP list is realized by XML (eXtensible Markup Language, extensible markup language), can at any time more
Newly.6) authenticate, authenticate, charging plug-in unit, this part cannot achieve it is cross-platform, however, the support standard of mainstream operation system
The plug-in unit of plug-in unit API is realized, using meeting automatic recognition system and suitable plug-in unit is selected to install automatically, similar Internetbank plug-in unit.
Websocket is supported in the Webkit transplanting submodule 13 of WebOS, allows WebApp that can call directly websocket with this
API。
The webkit (such as Android) of certain platforms does not support that websocket is not that webkit does not manage this block, but
This characteristic needs are porting in the distinctive network layer of each platform.So preliminary judgement only needs completion network layer
Read-write
On the basis of the above, this part directly uses Android (based on BSD) and Linux (based on GPL or LGPL)
Partial function, including but not limited to: 1) compiling system.Code generation based on mk, using mk file, Shell script and
Python script composition and NDK (Native Development Kit, local developing instrument collection) compilation tool etc., still
The particular content of script need to be made an amendment.2) BSP (Board Support Package, board suppot package), including HAL
(Hardware Abstraction Layer, hardware abstraction layer 30), MTD (Memory Technology Device, memory skill
Art equipment), flash subarea carry, bootloader (is booted up) related mechanism, MMU (Memory Management
Unit, memory management unit), SD (Secure Digital Memory Card, safe digital card) management etc..3) upgrade machine
System, fastboot (line brush) collapse recovery (Android backup functionality), encrypted authentication, USB (Universal
Serial Bus, universal serial bus)/SD upgrade mechanism etc..4) Partial security mechanism, Gao An, anti-root (super keepe account
Family), anti-brush machine, access limit control, update is tested close etc., and detailed content is described in security module) 5) version management mechanism,
Mkbootimg, cpio etc., binary functions mechanism, such as data.img, system.img, boot.img, recovery.img
Deng.6) developing instrument, debugging technique, such as eclipse, adb (Android Debug Bridge, Android debug bridge), ddms
(Dalvik Debug Monitor Service, Dalvik virtual machine debug monitoring service), logcat etc..7) process communication machine
System, such as binder, shared drive, socket (socket) etc..8) boot animation mechanism such as uses Android boot animation
Mechanism.9) various design patterns, template etc., such as bp/bn agency mechanism, sp/wp memory management, memheap shared drive, line
Thread management, looper/handle mechanism, stl etc..10) the various mechanism of other Linux class systems, such as init mechanism, file system
System, memory management, process and communication, user management etc..11) kernel and its API, such as respectively using Linux kernel and
Android bionic is completed.12) various native lib are such as realized using Linux open source third library).
Another embodiment as shown in FIG. 6, the present invention is based on be the double systems of support inside the WebOS system 100 of set-top box
The structure of system can be compatible with JAVA and apply using with WebOS, preferably facilitate the application and development of platform and to the prior art
It utilizes.
Further, the WebOS system 100 based on set-top box, 10 is real based on open source Google blink/v8 when the Web is run
It is existing, it is not the function of a simple webkit/v8,10 when the Web is run further include:
Manager 11 when operation, internal resource, module and the pipe of service for the WebOS system based on set-top box
Reason and control；
WebBOM submodule 12 interacts function with browser window for realizing independently of content；It is described
Manager 11 uses when WebBOM submodule 12 realizes browser model and is packaged into interface for the operation, including window,
Position, screen, history, document and navigation；
Webkit transplant submodule 13, for encapsulating Webcore, web interface is used for the WebBOM submodule and
The platform feature of WebOS is adapted to；The function that webkit transplants submodule mainly completes encapsulation webcore/v8 etc., especially
The interfaces such as webview/webpage (webpage)/webframe (frame) are used for webBOM；The platform feature of webOS is adapted to, packet
Include graphic, network, text, image encoding and decoding, audio etc..
The Webcore, for being built in the Webkit transplanting submodule 13, and using the v8 engine as Web
Rendering engine, the Webcore and the v8 engine include the blink kernel and v8 engine of Google's specification；As in Fig. 3 with
Webcore/v8 engine 131 indicates its internal structure.
The combination of the Webcore and the v8 engine transplants submodule 13 and the V8 engine by the Webkit
Constitute, follow the HTML/ of GPL (abbreviation of General Public License is the general public authorization of a GNU) specification
The parsing of CSS/JS, layout, rendering engine.The module Starting mode: being started by Webzygote server 617, similar
The function of zygote native application in Android.Webzygote server 617 belongs to framework (frame)
The scope of server/service itself operates in a process, by the init.rc file start of Linux,
Webzygote server 617 is responsible for completing the starting to web runtime (10 when Web is run).10 instantiation when Web is run
Manager 11 when one global operation.Manager 11 starts different WebBOM (BOM, browsing according to certain mechanism when operation
Device object model), each WebBOM completes an individual APP task (task), is responsible for by the WebBOM submodule 12.
It is preferred that the WebOS system 100 of the present invention based on set-top box, 10 to described when the Web is run
Web frame 60 provides the service supported further include:
Function initialization when the Web is run when 10 starting；
Webpage load parsing management, executes load webpage by the WebBOM submodule 12；
Service starting executes the Web frame by Webkit kernel parsing for specifically starting a thread
HTML/JS code, the starting and management to the service of the Web frame 60 are completed by systemserver.js；
Management of process and process communication, the process for managing web-based Webapp belong to the communication between webpage；
It is communicated between multiple task management and multitask, starts different processes when passing through browser execution and handle each and answer
With, construct new WebBOM Shipping Options Page load webpage and manage multiple tasks between communication；
Security control realizes that the code of the Web frame 60 will all be added using encryption mechanism by HTML/JS/CSS
It is close, while realizing with NPAPI mechanism the decryption of the code；
The installation of plug-in unit installation and access control, plug-in unit and extension realizes that the plug-in unit installation is logical also by encryption mechanism
The NPAPI mechanism is crossed to realize；
Resources accessing control accesses control to system resource by the mechanism of Manifestval.XML；
Using installation and access management, is realized by white and black list mechanism to network address access control, realized to institute
State the installation control of Webapp；
Cache management, the caching include page cache, memory cache and disk buffering；
Storage management, the storage management include supporting being locally stored for HTML5.
It is preferred that the WebOS system based on set-top box, the Web frame 60 include:
Server service manager 61 is realized when based on browser execution, is for starting when the Web is run and managing
The module and related service of system；10 call the Webkit to move by the WebBOM submodule 12 when the Web is run
The instruction of 13 resolution system server initiation of submodule is planted to start the system server and related service, the server clothes
The business of the compatible Android system of business manager 61 is used and is realized to Android system shared resource；Specifically such as pass through Linux
After init.rc starts Webzygote server 617, and then start webruntime, webruntime passes through webBOM
Call webkit parsing JS file SystermServer.js come start the system server (SystermServer) and its
It is responsible for certain Service of starting.
TV frame 63, for realizing television services encryption and decryption and realize value-added service；
System framework 62, for realizing interactive interface, system function and installation plug-in unit；Measured w3c standard connects
Mouthful, system function is completed, the code of the system framework 62 needs to encrypt, and realizes secret by NPAPI mechanism；
The Web frame 60 is to be realized television services decryption based on the construction of HTML5 and JS standard by the plug-in unit and handed over
Mutually input；The measured w3c standard interface of system framework is constructed and is encrypted, and decryption is realized by NPAPI mechanism；
WebOS SDK interface 66, for providing the Software Development Kit interface of specification；
Card i/f 64, for running and installing standard plug-in unit application；
HTML/CSS/JS standard interface 65, the JS ext for supporting for cross-platform and being realized by JS binding
Part；
The applied business interface includes the card i/f 64 and the Web standard plug-in unit interface 65.
The functions such as the necessary basic system functions of set-top box, television services, value-added service, packet are realized based on HTML 5 and JS
Include IPTV, the various agreements such as OTT, business function, such as program request, be broadcast live, review, time shift business；Other are related to confidential content
It need to be realized with plug-in method, such as the interaction of security mechanism, upgrade mechanism user management, platform, including CDN (Content
Delivery Network, content distributing network), VS (needing bowl spares full name in English, videospeedly, video acceleration), EPG
(Authentication certification, Authorization are awarded by (Electronic Program Guide, electronic program guides), 3A
Power, Accounting charging), BOSS (Business and Operation Support System, Operation Support System),
BO (needs the abbreviation of bowl spares full name in English Business Object, Business Object is business object layer, indicates to apply journey
All entity class of " things " in sequence field.These entity class are resident on the server, and assist to complete it using service class
Responsibility) etc..
Server service manager 61 realizes the various functions of system and its IPC (Inter-Process
Communication, interprocess communication) mechanism, including player function, interactive system (display and input) etc. passes through standard
C/c++ realize, run on independent process, must localization encryption is not realized with card format.
The lower IPTV of TV frame 63, OTT protocol stack need to be with standard NPAPI (Netscape Plugin Application
Programming Interface, Netscape plug-in applications programming interface) card format realization, it cannot be in the form of JS extends
It realizes, otherwise APP is unable to reach cross-platform purpose.Its w3c API for being based partially on standard is realized, and need to consider to add safely
It is close, such as HTML, CSS, JS；Part is realized using the plug-in unit API of standard, such as decryption plug-in unit, other necessary plug-in units.Follow standard
Card i/f, such as NPAPI, BHO (Browser Helper Object, browser auxiliary object) etc..
System framework 62 (System framework) realizes various system management functions, including application management, installing pipe
Reason, resource management, window management etc..Its w3c API for being based partially on standard is realized, and need to consider safe encryption, such as HTML,
CSS, JS；Part is realized using the plug-in unit API of standard, such as input method plug-in unit, Internetbank plug-in unit, other necessary plug-in units.Follow standard
Card i/f, such as NPAPI, BHO etc.；
In view of the plaintext property of preceding end instruction, all to be used by the framework code that HTML/JS/CSS is realized
Encryption mechanism encryption, while decrypting function and being realized in the form of NPAPI plug-in unit, the installation of various plug-in units and extension will pass through encryption
Mechanism is realized.Furthermore will to cookie, system save various user name passwords, user access trace protect, pop-up
It is controlled, to support small size window, supported sandbox technology, avoid destruction of the web to various system resources
It is preferred that the WebOS system 100 based on set-top box, the server service manager 61 also wrap
It includes:
Webzygote server 617 is parsed by the Webkit kernel for starting a thread and executes control life
Enable and complete the starting and management of service；The mode of 617 precompile of Webzygote server or jit execute
Systemserver.js file start service；When starting browser execution by the Webzygote server 617, call
Webview porting (webpage view transplanting) executes the systemserver.js file eventually by the v8 engine,
Starting service；
Process communication server 612, the process for WebOS belong to management and communication, the different nets including same process
Communication between page, or even the webpage of different processes, application process support foreground and running background；；
For the module information interaction of the server service manager 61 by Android binder, Linux is shared interior
It deposits, the interprocess communication mode of socket carries out；As shown in Figure 7；
Window manager 611 completes load webpage for distributing different tasks in different processes respectively；It is described more
Task management submodule starts different processes when passing through browser execution, construct new WebBOM to load webpage；
Package Manager 614 for starting by initialization, and receives program bag management by JS binding mode
The order of device simultaneously executes installation by Web installation server parsing；
In the WebOS system based on set-top box, described program package manager 614 will install server 615 with Web
Interaction, completes corresponding program bag management；Described program package manager 614 calls the Web to install server by JS interface
615；
DRM server 619, the content of copyright encryption handling for resource file；
Carrier server 613, is communicated for local client and carrier network；
Resource access function is completed in resource manager 616, starting resource manager service.
More particularly, the WebOS system 100 of the present invention based on set-top box, the DRM server 619 also wrap
It includes:
10 parsings execute Webapp when the Web is run, and call the DrmManagerClient of the local module 20
Module is simultaneously communicated using Android binder module and the DrmManagerService in 619 process of DRM server.
Android drm framework function such as Fig. 8, left side a part is there is in Android earlier version for OMA
The support of DRM 1.0, the right a part are put forward after 4.0 version of Android, i.e. libDrmFramework.It is right
While being following trend, so being to realize drm correlation function based on DRM server 619.It is shown with simple figure, basic function
Such as Fig. 9.
It is preferred that the WebOS system 100 based on set-top box further includes a security module based on Linux system,
The security module 70 further include:
Security module engine 71, for preventing user from going beyond one's commission and obtaining root authority；
It is booted up module 72, boot-loader operating system when for equipment starting；
Trust region 73, for storing private key.
The effect of the security module 70 is to be accomplished that the original security mechanism of Android, and consider cross-platform
Principle, the security module 70 includes JS framework deciphering module, and need to be embodied as plug-in unit, and decryption is realized in inside.
Real webOS, all framework functions should all realize that framework itself can add on HTML/CSS/JS layers
Close hiding service logic is realized by way of special safety insert when decryption.
Further, as shown in figure 4, the WebOS system 100 of the present invention based on set-top box, the server
Service managerZ-HU 61 further include:
Media server 618, surfaceflinger server 6110, network server 6112 start animation server
6113, debugging server 6114, Wall manager 6115.Wall manager 6115 is for managing External memory equipment.
It is preferred that the WebOS system 100 of the present invention based on set-top box, the local module 20 further include:
Library is decoded, for supporting the media file of image, audio to decode and system file decoding；
Network library network protocol stack, for supporting international media playing standard and international communication standards agreement；
Java Virtual Machine is supported to be embedded in JAVA by APPlet in browser for the embedded type virtual machine by increasing income
Program；The Java Virtual Machine is also used to compatible Android system application.
Specifically, if having of supporting of the decoding library of the WebOS system 100 based on set-top box:
1) audio-video parses encoding and decoding, the Container Format for the audio-video that need to be supported: as (Transport Stream is passed TS
Send stream), AVI (Audio Video Interleaved, Audio Video Interleaved format), MP4 (MPEG Layer4), MP3 (MPEG
Layer3) etc.；The coded format that need to be supported: H264, MPEG1 (Moving Pictures Experts Group 1, Dynamic Graph
As expert group 1), MPEG2, MPEG4, AC3 (Audio Coding3, audio coding 3), AAC (Advanced Audio
Coding, Advanced Audio Coding) etc..
2) shape library, the figure rank that need to be supported include: to draw, setting-out, rectangle, polygon, blit, and color space turns
It changes, the figures grade processing such as α mixing.
3) picture decodes library, the coded format JPEG that need to be supported (Joint Photographic Experts Group, connection
Close imagery specialists group), GIF (Graphics Interchange Format, graphic interchange format), PNG (Portable
Network Graphic Format, Portable Network Graphics), BMP (Bitmap, bitmap) etc..
The agreement that the classification and version of the network library network protocol stack need to be supported, such as RTSP (Real Time
Streaming Protocol, real time streaming transport protocol), HLS (HTTP Live Streaming, hypertext live stream), IGMP
(Internet Group Management Protocol, Internet Group Management Protocol), SIP (Session Initiation
Protocol, Session initiation Protocol), TCP (Transmission Control Protocol, transmission control protocol), UDP
(User Datagram Protocol, User Datagram Protocol), and RTP (Realtime Transport Protocol, in real time
Transport protocol), RTCP (Realtime Transport Control Protocol, RTCP Real-time Transport Control Protocol), SSL
(Secure Sockets Layer, Secure Socket Layer) etc..
Other commonly use necessary function library, such as zlib function library, freetype font engine, character library, encryption library etc..
In addition, it can be common that JVM (Java Virtual Machine, Java Virtual Machine) passes through the embedded of open source
JVM supports to be embedded in JAVA program by APPlet in browser (browser).
The present invention also provides a kind of set-top boxes, including a kind of according to the WebOS described in any of the above embodiments based on set-top box
System 100 and set-top box ontology are provided with TV signal interface and network signal interface on the set-top box ontology.
Preferably, in addition, WebOS system 100 based on set-top box supports sandbox (sandbox) technology, to cookie,
The various username and passwords that system saves, the access trace of user are protected, are controlled pop-up, support small size window
Mouthful.Television services are medium to be related to the functions to be encrypted such as certification, authentication, charging, is realized in a manner of plug-in unit, and similar Internetbank is inserted
Part.Whereby present invention seek to address that Android there are the problem of: 1) about fragmentation, improve uniformity problem: the present invention is used
BSD open source standard, externally only provides APP business API and bottom hardware is adapted to API.Only open source has used GPL (GNU General
Public License, general public licence) specification correlation module code.2) about charging problem, the present invention allows
Independent development is independently used for provider customer.3) about too fat to move problem, the call without similar Android, Camera, GPS,
MIC, the mobile phones necessary functions such as power management only provide television business function.4) about the low problem of safety: core generation itself
Code is not increased income, and using the high peace mechanism of hardware, the mechanism such as sandbox technology of browser, in addition, being related to certification, authentication, meter
The decryption modules such as take to complete using plug-in unit, similar Internetbank plug-in unit.5) about the low problem of APP professional platform independence: using and follow HTML 5
The languages such as HTML, CSS (Cascading Style Sheet, Cascading Style Sheet) of specification, JS (JavaScript, scripting language)
Speech realizes APP.Since the browser of the mainstream of present mainstream operation system all supports HTML 5, so convenient in other operation fortune
Row HTML 5APP.
In conclusion the present invention enables webOS to obtain hardware capabilities well by constructing webOS based on set-top box
And underlying services, by constructing new Web API (Application Programming Interface, application programming
Interface) in webpage roofing control hardware, it realizes various applications, if player related hardware is directly exposed to Web application, passes through phase
Close the installation and access control of encryption technology and the realization of black and white lists strobe utility to web APP, plug-in unit, embedded system bottom
Layer supports WebOS and Android system and shared the corresponding function module, improves cross-platform based on Web standard, strengthens bottom
Mechanism and security mechanism improve user experience.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe
It knows those skilled in the art and makes various corresponding changes and modifications, but these corresponding changes and change in accordance with the present invention
Shape all should fall within the scope of protection of the appended claims of the present invention.
Claims (9)
1. a kind of WebOS system based on set-top box, which is characterized in that the WebOS system based on set-top box is from bottom to top
Include:
Hardware platform, linux system kernel and system kernel application interface, the system kernel application interface support linux
With the calling of the second operating system, and the sheet of operating system is completed by local module on the system kernel application interface
The function of ground bottom resource management；
Hardware abstraction layer, for being compatible with Android device and supporting the installation of WebOS and Android dual system；
When Web is run, for passing through Webkit kernel and parsing of the v8 engine implementation to HTML, CSS, JS, and call described hard
The correlation function of part platform and the local module；
Web frame based on the WebOS system function described in Web standard implementation based on set-top box and provides applied business；
The security mechanism of the WebOS system based on set-top box includes only opening the Web frame module externally to provide application
Business interface and open bottom hardware adaptable interface, the WebOS system based on set-top box pass through installation APP and Webapp
Realize service, the APP and the Webapp by form web page realization, including local page or Webpage with reach across
Platform purpose；
Wherein, when the Web is run further include:
Manager when operation, internal resource, module and the management of service and control for the WebOS system based on set-top box
System；
WebBOM submodule interacts function with browser window for realizing independently of content；The WebBOM submodule
Block realizes browser model and manager use when being packaged into interface for the operation, including window, position, screen, history,
Document and navigation；
Webkit transplants submodule, and for encapsulating Webcore, web interface is used for the WebBOM submodule and WebOS
Platform feature adaptation；
The Webcore for being built in the Webkit transplanting submodule, and is rendered using the v8 engine as Web and is drawn
It holds up, the Webcore and the v8 engine include the blink kernel and blink/v8 engine of Google's specification.
2. the WebOS system according to claim 1 based on set-top box, which is characterized in that described when the Web is run
Web frame provides the service supported further include:
Function initialization when the Web starts when running；
Webpage load parsing management, executes load webpage by the WebBOM submodule；
Service starting executes the Web frame by Webkit kernel parsing for specifically starting a thread
HTML/JS code completes the starting and management of the service to the Web frame by systemserver.js；
Management of process and process communication, the process for managing web-based Webapp belong to the communication between webpage；
It is communicated between multiple task management and multitask, starts different processes when passing through browser execution and handle each application, structure
New WebBOM Shipping Options Page is made to load webpage and manage the communication between multiple tasks；
Security control realizes that the code of the Web frame will be encrypted all using encryption mechanism by HTML/JS/CSS, simultaneously
The decryption of the code is realized with NPAPI mechanism；
The installation of plug-in unit installation and access control, plug-in unit and extension realizes that the plug-in unit installation passes through institute also by encryption mechanism
State the realization of NPAPI mechanism；
Resources accessing control accesses control to system resource by the mechanism of Manifestval.XML；
Using installation and access management, is realized by white and black list mechanism to network address access control, realized to described
The installation of Webapp controls；
Cache management, the caching include page cache, memory cache and disk buffering；
Storage management, the storage management include supporting being locally stored for HTML5.
3. the WebOS system according to claim 1 based on set-top box, which is characterized in that the Web frame includes:
Server service manager realizes when based on browser execution, when for starting Web operation and the mould of management system
Block and related service；The Webkit is called to transplant submodule solution by the WebBOM submodule when Web is run
Analysis system server initiation instructs to start the system server and related service, and the server service manager is compatible
The business of Android system is used and is realized to Android system shared resource；
TV frame, for realizing television services encryption and decryption and realize value-added service；
System framework, for realizing interactive interface, system function and installation plug-in unit；Measured w3c standard interface completes system
System function, the code of the system framework need to encrypt, and pass through NPAPI mechanism and realize secret；
The Web frame is to realize that television services decryption and interaction are defeated by the plug-in unit based on the construction of HTML5 and JS standard
Enter；The measured w3c standard interface of system framework is constructed and is encrypted, and decryption is realized by NPAPI mechanism；
WebOS SDK interface, for providing the Software Development Kit interface of specification；
Card i/f, for running and installing standard plug-in unit application；
HTML/CSS/JS standard interface, the part JS ext supported for cross-platform and realized by JS binding；
The applied business interface includes the card i/f and the Web standard plug-in unit interface.
4. the WebOS system according to claim 3 based on set-top box, which is characterized in that the server service management
Device further include:
Webzygote server is parsed by the Webkit kernel for starting a thread and executes control command and complete
At the starting and management of service；The mode of the Webzygote server precompile or jit execute systemserver.js
File start service；When starting browser execution by the Webzygote server, webview porting is called, finally
The systemserver.js file, starting service are executed by the v8 engine；
Process communication server, for the process ownership management and communication of WebOS, the different web pages including same process, even
Communication between the webpage of different processes, application process support foreground and running background；
The module information interaction of the server service manager by Android binder, Linux shared drive,
The interprocess communication mode of socket carries out；
Window manager completes load webpage for distributing different tasks in different processes respectively；Multiple task management
Module starts different processes when passing through browser execution, construct new WebBOM to load webpage；
Package Manager for starting by initialization, and receives the life of Package Manager by JS binding mode
It enables and installation is executed by Web installation server parsing；
In the WebOS system based on set-top box, described program package manager will install server interaction with Web, complete
Corresponding program bag management；Described program package manager calls the Web to install server by JS interface；
DRM server, the content of copyright encryption handling for resource file；
Carrier server is communicated for local client and carrier network；
Resource access function is completed in resource manager, starting resource manager service.
5. the WebOS system according to claim 4 based on set-top box, which is characterized in that the DRM server also wraps
It includes:
Parsing executes Webapp when the Web is run, and calls the DrmManagerClient module of the local module and make
DrmManagerService communication with Android binder module and in the DRM server process.
6. the WebOS system according to claim 3 based on set-top box, which is characterized in that described based on set-top box
WebOS system further includes a security module based on Linux system, the security module further include:
Security module engine, for preventing user from going beyond one's commission and obtaining root authority；
It is booted up module, boot-loader operating system when for equipment starting；
Trust region, for storing private key.
7. the WebOS system according to claim 6 based on set-top box, which is characterized in that the server service management
Device further include:
Media server, surfaceflinger server, network server start animation server, debugging server, Wall
Manager.
8. the WebOS system according to claim 1 based on set-top box, which is characterized in that the local module further include:
Library is decoded, for supporting the media file of image, audio to decode and system file decoding；
Network library network protocol stack supports international media playing standard and international communication standards agreement；
Java Virtual Machine is supported to be embedded in JAVA program by APPlet in browser for the embedded type virtual machine by open source；
The Java Virtual Machine is also used to compatible Android system application.
9. a kind of set-top box, which is characterized in that including a kind of WebOS system according to claims 1 to 8 based on set-top box
System and set-top box ontology are provided with TV signal interface and network signal interface on the set-top box ontology.
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| CN106534130A (en) * | 2016-11-21 | 2017-03-22 | 深圳创维数字技术有限公司 | Method and system for debugging set-top box based on embedded web |
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| CN108170536B (en) * | 2016-12-07 | 2023-07-04 | 北大医疗信息技术有限公司 | Expanding method and device of WEB program |
| CN107102853B (en) * | 2017-03-26 | 2021-02-26 | 安徽继远软件有限公司 | Method for customizing mobile operating system to be compatible with Android application |
| CN107396186B (en) * | 2017-08-11 | 2019-11-08 | 四川长虹电器股份有限公司 | Linux equipment WebOS system application management method |
| CN107484024B (en) * | 2017-08-17 | 2019-12-24 | 四川长虹电器股份有限公司 | Method for realizing global floating menu by using hot key based on WEBOS intelligent television system |
| CN107396168B (en) * | 2017-08-24 | 2021-01-26 | 四川长虹电器股份有限公司 | Television live broadcasting system capable of configuring launchers |
| CN109725958A (en) * | 2017-10-30 | 2019-05-07 | 腾讯科技（深圳）有限公司 | The method and device that the file of resource manager management is handled |
| CN108055356B (en) * | 2018-01-08 | 2021-03-16 | 武汉斗鱼网络科技有限公司 | Information processing method, server, client and readable storage medium |
| CN108804939A (en) * | 2018-05-04 | 2018-11-13 | 广州四九游网络科技有限公司 | A kind of data processing method of WEBVIEW engines |
| CN109714642B (en) * | 2018-12-29 | 2022-03-08 | 深圳Tcl数字技术有限公司 | Method for reusing Linux application in intelligent system, intelligent television and storage medium |
| CN111414156B (en) * | 2019-01-08 | 2023-09-22 | 杭州海康威视数字技术股份有限公司 | Embedded equipment and service system based on open platform and service development method |
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